DEBUG : Unable to get the group ''

[osuphobia]

Describe the bug

DEBUG : Unable to get the group ''

FUNCTION : GetMonsterGroup
FILE : D:\a\Cataclysm-DDA\Cataclysm-DDA\src\mongroup.cpp
LINE : 359
VERSION : 3f2229b

22:07:46.329 ERROR : (error message will follow backtrace)
  #0
    (dbghelp: debug_write_backtrace+0xb5@00007FF726710CE5[cataclysm-tiles.exe+0x550ce5]), 
  #1
    (dbghelp: DebugLog+0x2b8@00007FF72670FA88[cataclysm-tiles.exe+0x54fa88]), 
  #2
    (dbghelp: realDebugmsg+0x1fd@00007FF726712D9D[cataclysm-tiles.exe+0x552d9d]), 
  #3
    (dbghelp: string_id<MonsterGroup>::obj+0xcb@00007FF726A26BCB[cataclysm-tiles.exe+0x866bcb]), 
  #4
    (dbghelp: MonsterGroupManager::IsMonsterInGroup+0xe@00007FF726A22ABE[cataclysm-tiles.exe+0x862abe]), 
  #5
    (dbghelp: monster::anger_cub_threatened+0x145@00007FF726CA8BD5[cataclysm-tiles.exe+0xae8bd5]), 
  #6
    (dbghelp: monster::plan+0x2f5@00007FF726CB1235[cataclysm-tiles.exe+0xaf1235]), 
  #7
    (dbghelp: `anonymous namespace'::monmove+0x790@00007FF72671A4D0[cataclysm-tiles.exe+0x55a4d0]), 
  #8
    (dbghelp: do_turn+0x111a@00007FF726718BDA[cataclysm-tiles.exe+0x558bda]), 
  #9
    (dbghelp: WinMain+0xea5@00007FF72659D7B5[cataclysm-tiles.exe+0x3dd7b5]), 
  #10
    (dbghelp: __scrt_common_main_seh+0x106@00007FF727D95D86[cataclysm-tiles.exe+0x1bd5d86]), 
  #11
    (dbghelp: BaseThreadInitThunk+0x14@00007FFB163A7374[KERNEL32.DLL+0x17374]), 
  #12
    (dbghelp: RtlUserThreadStart+0x21@00007FFB17B7CC91[ntdll.dll+0x4cc91]), 
Backtrace emission took 0 seconds.
(continued from above) ERROR : D:\a\Cataclysm-DDA\Cataclysm-DDA\src\mongroup.cpp:359 [GetMonsterGroup] Unable to get the group ''

Attach save file

Astoria-trimmed.tar.gz

Steps to reproduce

Simply go west.

Expected behavior

No error.

Screenshots

No response

Versions and configuration

• OS: Windows
  • OS Version: 10.0.19045.4780 (22H2)
• Game Version: 3f2229b [64-bit]
• Graphics Version: Tiles
• Game Language: English [en]
• Mods loaded: [
  Dark Days Ahead [dda],
  Disable NPC Needs [no_npc_food],
  Portal Storms Ignore NPCs [personal_portal_storms],
  Slowdown Fungal Growth [no_fungal_growth]
  ]

Additional context

No response